The largest males have bigger weapons, but smaller males have other advantages. Photo by Ummat Somjee When it comes to some members of the insect world, size variations can be mind-boggling. A ...

When a fig tree falls in the Panamanian rainforest, it calls an army of strangely shaped insects to war. Known as jousting weevils, these beetles have heads shaped like a knight’s lance, which males ...

The greatest jousting competitions in the world can be found on certain rotting trees in the New Zealand bush, where hordes of males compete for the opportunity to mate. The knights are not humans but ...